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| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-09-08 13:20:34 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-09-21 10:30:43 -0600 |
| commit | ac9e5784bbe72f4f603d1af84760ec09bc0b5ccd (patch) | |
| tree | 6fbe0e11d65d808fbbfa250d81b97eb5ca9752d4 /io_uring | |
| parent | 0b048557db761d287777360a100e1d010760d209 (diff) | |
| download | linux-ac9e5784bbe72f4f603d1af84760ec09bc0b5ccd.tar.bz2 | |
io_uring/net: use io_sr_msg for sendzc
Reuse struct io_sr_msg for zerocopy sends, which is handy. There is
only one zerocopy specific field, namely .notif, and we have enough
space for it.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/408c5b1b2d8869e1a12da5f5a78ed72cac112149.1662639236.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/net.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/io_uring/net.c b/io_uring/net.c index 3ef2cc54420c..97168c7ace26 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -59,15 +59,7 @@ struct io_sr_msg { unsigned done_io; unsigned msg_flags; u16 flags; -}; - -struct io_sendzc { - struct file *file; - void __user *buf; - unsigned len; - unsigned done_io; - unsigned msg_flags; - u16 flags; + /* used only for sendzc */ u16 addr_len; void __user *addr; struct io_kiocb *notif; @@ -190,7 +182,7 @@ static int io_sendmsg_copy_hdr(struct io_kiocb *req, int io_sendzc_prep_async(struct io_kiocb *req) { - struct io_sendzc *zc = io_kiocb_to_cmd(req, struct io_sendzc); + struct io_sr_msg *zc = io_kiocb_to_cmd(req, struct io_sr_msg); struct io_async_msghdr *io; int ret; @@ -890,7 +882,7 @@ out_free: void io_sendzc_cleanup(struct io_kiocb *req) { - struct io_sendzc *zc = io_kiocb_to_cmd(req, struct io_sendzc); + struct io_sr_msg *zc = io_kiocb_to_cmd(req, struct io_sr_msg); zc->notif->flags |= REQ_F_CQE_SKIP; io_notif_flush(zc->notif); @@ -899,7 +891,7 @@ void io_sendzc_cleanup(struct io_kiocb *req) int io_sendzc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) { - struct io_sendzc *zc = io_kiocb_to_cmd(req, struct io_sendzc); + struct io_sr_msg *zc = io_kiocb_to_cmd(req, struct io_sr_msg); struct io_ring_ctx *ctx = req->ctx; struct io_kiocb *notif; @@ -1009,7 +1001,7 @@ static int io_sg_from_iter(struct sock *sk, struct sk_buff *skb, int io_sendzc(struct io_kiocb *req, unsigned int issue_flags) { struct sockaddr_storage __address, *addr = NULL; - struct io_sendzc *zc = io_kiocb_to_cmd(req, struct io_sendzc); + struct io_sr_msg *zc = io_kiocb_to_cmd(req, struct io_sr_msg); struct msghdr msg; struct iovec iov; struct socket *sock; |